发明名称 |
PURIFICATION OF ONIUM HYDROXIDES BY ELECTRODIALYSIS |
摘要 |
This invention relates to a process for improving the purity of an aqueous onium hydroxide solution. In particular, the invention relates to a process for improving the purity of aqueous onium hydroxide solutions containing undesirable amounts of anions. The invention also relates to the improved high purity onium hydroxide solutions obtained by the above method.
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申请公布号 |
CA2478768(C) |
申请公布日期 |
2008.10.21 |
申请号 |
CA20022478768 |
申请日期 |
2002.11.27 |
申请人 |
SACHEM INC. |
发明人 |
REITER, ROBERT J.;HEFNER, KELLY |
分类号 |
C07C209/84;B01D61/44;B01D61/46;C02F1/469;C07B63/02;C07C209/68;C07C211/63;C07C381/12;C07F9/54 |
主分类号 |
C07C209/84 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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